Follow up
			 
			 
			
		
		
		
			
			Hi Owen 
 
 
Sorry for the delay getting back to you. Attached are two photos that I think will help. 
 
 
The first shows the oil filler neck on my Pattern 12 C60L engine is now sitting on engine test stand as it has been replaced with a 235, I've kept the engine complete with oil in the cylinders.  
 
 
 
Overall length of tube (no cap) 8 1/2"  
 
Filler end standard CMP gas cap 2 5/8 OD 
Engine end 1 3/4 OD 
 
 
The next photo shows a bunch of Ford gas filler necks for the 48-52 F series trucks with the gas tank behind the drivers seat in the cab.  
 
Overall length of tube 15" 
Filler end standard CMP gas cap 2 5/8 OD 
Engine end 2 1/4 OD 
 
 
 
Hope this helps  
 
 
 
Cheers Phil
		 
		
		
		
			
		
		
		
		
		
		
			
		
		
		
		
		
	
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